#include<stdio.h>
int main()
{
    int v;

    int *p;
    printf("%d %d\n",&v,&p);
    p=&v;
    printf("%d %d\n",v,*p);
    v=3;
    printf("%d %d\n",v,*p);
    *p=5;
    printf("%d %d\n",v,*p);

}
